feature:1.light control switch: it can turn on at night and turn off at daytime by itself. 2.control area: about 10,000 square meters. 3.suction fan: it use suction fan to pull insects into the bottle initiatively, doesn't wait for the insects to touch the machine.4.with this insect trap,farmers don't need pestcide and chemical. they can save pestcide * and labor cost.If you need,I would love to send you price list. I am looking forward to hearing from you.Best regards,